tailieunhanh - adobe flash cs5 on demand part 41

Tạo hình động với Classic Tweening Trong các chương trước bạn đã học về tweening chuyển động. Trong chương này, bạn sẽ học tweening về cổ điển. Tweening là một kỹ thuật hoạt hình, tạo khung Inbetween cần thiết dựa trên sự bắt đầu và kết thúc khung. | Animating with Classic Tweening 9 Introduction What You ll Do In the previous Chapter you learned about motion tweening. In this Chapter you ll learn about classic tweening. Tweening is an animation technique that creates the necessary inbetween frames based on a starting and ending frame. A motion tween uses one object instance over the entire span along with property keyframes to create a tween while a classic tween uses several instances in keyframes of an object along with property keyframes to create a tween. Classic tweens are more complex to create than motion tweens. However if you re looking for a custom result classic tweens provide more advanced control. When you create an animation with classic tweening there are some things you should know about. A classic tween Uses Keyframes and property keyframes to create tweens. Allows frame scripts. Allows only symbols movie clip graphic and button as a tweenable type. It converts all others editable shapes groups and text objects to a graphic symbol. Consists of groups of individually selectable frames in the Timeline. Applies eases to groups of frames between keyframes within the tween. Allows animation between two different color effects such as tint and alpha transparency. Doesn t allow animation of 3D objects. Allows symbol swaps and setting the frame number of a graphic symbol to display in a property keyframe. Work with Classic Tweening Understand Frame and Instance Properties Create a Classic Tween Adjust Classic Tween Properties Copy and Paste a Tween Change the Length of a Tween Change the Frame Rate Reverse Frames Add and Remove Keyframes from a Classic Tween Scale and Rotation a Classic Tween Add Color Effects to a Classic Tween Create a Classic Motion Guide Layer Animate Along a Classic Motion Guide Orient Objects to a Classic Motion Path Ease In and Out of a Classic Tween 251 Working with Classic Tweening Classic tweening can only be applied to instances of symbols. When applying classic tweening to